US AI stock sell-off shakes markets from Wall Street to Asia

Published 23 June 2026 · finance

Losses spread globally as investors questioned soaring valuations and spending on AI infrastructure A tech sell-off shook global markets on Tuesday as attention turned away

Losses spread globally as investors questioned soaring valuations and spending on AI infrastructure A tech sell-off shook global markets on Tuesday as attention turned away from developments in the US war with Iran and toward the future of AI companies and chipmakers that have driven stock markets to record highs.

The tech-heavy Nasdaq index closed 2.2% lower on Tuesday. The S&P 500 was also down by Tuesday afternoon, dropping 1.43% while the Dow remained steady.

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